Improvement of viewing angle and pixel contrast ratio in green top-emitting organic light-emitting devices

Shufen Chen; Wenfa Xie; Wei Huang; Shiyong Liu

doi:10.1364/OE.16.008868

Improvement of viewing angle and pixel contrast ratio in green top-emitting organic light-emitting devices

Shufen Chen, Wenfa Xie, Wei Huang, Shiyong Liu

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

Green top-emitting organic light-emitting devices based on tris(8-hydroxyl-quinoline) aluminum are fabricated with a low reflective Sm/Ag cathode and a comparative Al/Ag cathode. An additional 2,9-dimethyl-4,7- diphenyl-1,10-phenanthroline (BCP) layer, used as a light outcoupling layer, is deposited onto the SmAg cathode to improve device performances. The influence of different cathodes and the BCP layer on electrical and optical characteristics are investigated and discussed. It is worth mentioning that the introduction of the BCP layer not only enhances the brightness and the luminous efficiency but also improves the viewing angle and the pixel contrast ratio.

Original language	English
Pages (from-to)	8868-8875
Number of pages	8
Journal	Optics Express
Volume	16
Issue number	12
DOIs	https://doi.org/10.1364/OE.16.008868
State	Published - 9 Jun 2008
Externally published	Yes

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title = "Improvement of viewing angle and pixel contrast ratio in green top-emitting organic light-emitting devices",

abstract = "Green top-emitting organic light-emitting devices based on tris(8-hydroxyl-quinoline) aluminum are fabricated with a low reflective Sm/Ag cathode and a comparative Al/Ag cathode. An additional 2,9-dimethyl-4,7- diphenyl-1,10-phenanthroline (BCP) layer, used as a light outcoupling layer, is deposited onto the SmAg cathode to improve device performances. The influence of different cathodes and the BCP layer on electrical and optical characteristics are investigated and discussed. It is worth mentioning that the introduction of the BCP layer not only enhances the brightness and the luminous efficiency but also improves the viewing angle and the pixel contrast ratio.",

author = "Shufen Chen and Wenfa Xie and Wei Huang and Shiyong Liu",

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AU - Chen, Shufen

AU - Xie, Wenfa

AU - Huang, Wei

AU - Liu, Shiyong

PY - 2008/6/9

Y1 - 2008/6/9

N2 - Green top-emitting organic light-emitting devices based on tris(8-hydroxyl-quinoline) aluminum are fabricated with a low reflective Sm/Ag cathode and a comparative Al/Ag cathode. An additional 2,9-dimethyl-4,7- diphenyl-1,10-phenanthroline (BCP) layer, used as a light outcoupling layer, is deposited onto the SmAg cathode to improve device performances. The influence of different cathodes and the BCP layer on electrical and optical characteristics are investigated and discussed. It is worth mentioning that the introduction of the BCP layer not only enhances the brightness and the luminous efficiency but also improves the viewing angle and the pixel contrast ratio.

AB - Green top-emitting organic light-emitting devices based on tris(8-hydroxyl-quinoline) aluminum are fabricated with a low reflective Sm/Ag cathode and a comparative Al/Ag cathode. An additional 2,9-dimethyl-4,7- diphenyl-1,10-phenanthroline (BCP) layer, used as a light outcoupling layer, is deposited onto the SmAg cathode to improve device performances. The influence of different cathodes and the BCP layer on electrical and optical characteristics are investigated and discussed. It is worth mentioning that the introduction of the BCP layer not only enhances the brightness and the luminous efficiency but also improves the viewing angle and the pixel contrast ratio.

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ER -

Improvement of viewing angle and pixel contrast ratio in green top-emitting organic light-emitting devices

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